The glitzy charity gala is expected to be an "elegant evening" with a cocktail reception, live auction and performances, according to Page Six.

It will be held at the Domaine Bertaud Belieu vineyard in the French Riviera.

The gorgeous pair was also seen together at London's Chiltern Firehouse back in February. Di Caprio was also reportedly linked to a 19-year-old Victoria's Secret model recently ... See Leonardo Di Caprio through the years: LOS ANGELES - APRIL 16: Actor Leonardo Di Caprio departs for Dallas, Texas on April 16, 1993 from the Los Angeles International Airport in Los Angeles, California.

SEE ALSO: Jessa Seewald changes her tune on Josh's infidelity She was quick to squash any romance rumors at the time with a series of tweets, which have since been deleted."You can't have a friend in the industry without people assuming it's more than that ... (Photo by Ron Galella, Ltd./Wire Image) BEVERLY HILLS, CA - JANUARY 22: Actor Leonardo Di Caprio and mother Irmelin Indenbirken attend the 51st Annual Golden Globe Awards on January 22, 1994 at the Beverly Hilton Hotel in Beverly Hills, California.

The two — who have been taunting us with their platonic friendship for two decades — were photographed together poolside in Saint-Tropez along with blaring headlines that indicated they had come to their senses and fallen in love.

Here's the most couple-est photo that was taken: One of those nifty sources told OK magazine that they were madly in love, and Leo told even Kate that she was "the one." He also expressed an interested in settling down with her and starting a family.

We've said it before and we'll say it again -- Leonardo Di Caprio has a type: Blonde, beautiful and young.